Anyone aware of wind rating of composition shingles, in particular 3 tab shingles…especially Certainteed and OC…
thanks
Jeff
Anyone aware of wind rating of composition shingles, in particular 3 tab shingles…especially Certainteed and OC…
thanks
Jeff
Certainteed says:
Thanks Michael…
3-tab usually 60-70 MPH, laminated 70-110 MPH depending on manufacturer and quality.
Depends on what part of the country you are in. In Florida they they have to be rated for a certain wind resistance depending which wind zone category you are in.